Lehnert, T.
Günther, O. H.
Hajek, A.
Riedel-Heller, S. G.
König, H. H. http://orcid.org/0000-0001-5711-6862
Funding for this research was provided by:
German Federal Ministry of Education and Research (01EH1101B)
Article History
Received: 28 June 2017
Accepted: 13 March 2018
First Online: 6 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the responsible ethics committee (Ethik-Kommission der Ärztekammer Hamburg; PV4781) prior to beginning the project. Participants provided their explicit oral informed consent during the recruitment phase by agreeing to participate (providing a mail/e-mail address). Oral consent is common in survey research in Germany; the ethical guidelines of the International Code of Marketing and Social Research Practice by the International Chamber of Commerce and the European Society for Opinion and Marketing Research were followed. Recruited individuals gave implicit consent by returning the questionnaire. Personally identifying information were not collected and participant responses were anonymized prior to analysis.